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Time-variant left ventricle models for intracardiac impedance analysis

Daniel Voss

Daniel Voss

Chair for Medical Information Technology, RWTH Aachen UniversityAachen, Germany
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Voss, Daniel
, 
Clara Wemmer

Clara Wemmer

Chair for Medical Information Technology, RWTH Aachen UniversityAachen, Germany
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Wemmer, Clara
, 
Steffen Leonhardt

Steffen Leonhardt

Chair for Medical Information Technology, RWTH Aachen UniversityAachen, Germany
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Leonhardt, Steffen
 und 
Marian Walter

Marian Walter

Chair for Medical Information Technology, RWTH Aachen UniversityAachen, Germany
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Walter, Marian
  
05. Okt. 2024
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Online veröffentlicht: 05. Okt. 2024
Seitenbereich: 130 - 136
Eingereicht: 27. Mai 2024
DOI: https://doi.org/10.2478/joeb-2024-0015
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© 2024 Daniel Voss et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1:

The four ventricle models. The blood is displayed in red and the ventricle is semitransparent red. The surrounding lung tissue is not shown.
The four ventricle models. The blood is displayed in red and the ventricle is semitransparent red. The surrounding lung tissue is not shown.

Figure 2:

LVV during one cardiac cycle. The first three models are simulated for volume increments of 5 mL, while the physiological model is only available for the 5 indicated volumes.
LVV during one cardiac cycle. The first three models are simulated for volume increments of 5 mL, while the physiological model is only available for the 5 indicated volumes.

Figure 3:

Simulated admittances show a non-linear correlation with the LVV. Admittance magnitude (top) and admittance phase (bottom).
Simulated admittances show a non-linear correlation with the LVV. Admittance magnitude (top) and admittance phase (bottom).

Figure 4:

Simulated admittances correlate strongly with the LVV throughout a cardiac cycle. Admittance magnitude (top) and admittance phase (bottom).
Simulated admittances correlate strongly with the LVV throughout a cardiac cycle. Admittance magnitude (top) and admittance phase (bottom).
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